This season featured guest appearances from Michael Clarke Duncan, Phil LaMarr, Max Charles, Johnny Depp, Lacey Chabert, Fred Tatasciore, Adam West, Chris Cox (voice actor), Ryan Reynolds, Elizabeth Banks, Dan Castellaneta, Mark Burnett, Jon Hamm, Jonathan Morgan Heit, Jim Parsons, Hunter Gomez, Michael Palin, Brian Williams, Lucas Grabeel, Jeff Bergman, Megan Hilty, Dee Bradley Baker, Pattick Warburton, H. Jon Benjamin, Anne Murray, Robert Wu, John Viener, Jill Talley, Wally Wingert, Carly Simon, Kevin Michael Richardson, Tim Gunn, Nick Cannon, Hank Azaria, and Enma Roberts.